Mejía-Bravo, R. M.; Caparroso-Pérez, C. B.; Ruiz-Restrepo, X. C.; Espitia-Mesa, J. F.; Moreno-Castillo, Y. A.; Montoya-Sepúlveda, A. F. Ex Vivo Evaluation of the Retention of Procera® Zirconia-Yttria Systems With Different Cements. Rev Fac Odontol Univ Antioq 2014, 26, 44-61.